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perf: Don't always rechunk on gather of nested types
#26478
Merged
Comparing
gather
(
cc015ff
) with
main
(
5476332
)
CodSpeed Performance Gauge
+1%
Untouched
41
Ignored
1
Benchmarks
Mode
CPU Simulation
Wall Time
Memory
Status
Untouched
Ignored
42 total
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CPU Simulation instrument
to collect CPU performance metrics.
test_groupby_h2oai_q4
py-polars/tests/benchmark/test_group_by.py
CodSpeed Performance Gauge
+14%
2.1 ms
1.9 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q18
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+13%
15.2 ms
13.5 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_groupby_h2oai_q1
py-polars/tests/benchmark/test_group_by.py
CodSpeed Performance Gauge
+11%
2.3 ms
2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q20
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+10%
8.1 ms
7.4 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q5
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+6%
6.6 ms
6.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q10
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+5%
8.8 ms
8.4 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_groupby_h2oai_q5
py-polars/tests/benchmark/test_group_by.py
CodSpeed Performance Gauge
+5%
2.1 ms
2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q14
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+4%
3.3 ms
3.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_filter1
py-polars/tests/benchmark/test_filter.py
CodSpeed Performance Gauge
+4%
785.3 µs
755.7 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q1
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+4%
25.7 ms
24.8 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q8
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+3%
7.4 ms
7.2 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q17
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+3%
7.3 ms
7.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q13
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+3%
10.6 ms
10.3 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_groupby_h2oai_q3
py-polars/tests/benchmark/test_group_by.py
CodSpeed Performance Gauge
+3%
2.4 ms
2.4 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q4
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+2%
6 ms
5.9 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q3
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+2%
7.8 ms
7.6 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q19
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+2%
8.9 ms
8.7 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_groupby_h2oai_q9
py-polars/tests/benchmark/test_group_by.py
CodSpeed Performance Gauge
+1%
28.1 ms
27.9 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_pdsh_q9
py-polars/tests/benchmark/test_pdsh.py
CodSpeed Performance Gauge
+1%
27.8 ms
27.6 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_strict_inequalities
py-polars/tests/benchmark/test_join_where.py
CodSpeed Performance Gauge
0%
170.6 ms
170.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_non_strict_inequalities
py-polars/tests/benchmark/test_join_where.py
CodSpeed Performance Gauge
0%
176.2 ms
175.8 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_write_read_scan_large_csv
py-polars/tests/benchmark/test_io.py
CodSpeed Performance Gauge
0%
39.1 ms
39 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_datetime_range_fast_slow_paths
py-polars/tests/unit/functions/range/test_datetime_range.py
CodSpeed Performance Gauge
0%
396.3 ms
396.1 ms
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_to_numpy_series_chunked
py-polars/tests/benchmark/interop/test_numpy.py
CodSpeed Performance Gauge
0%
270.1 µs
270.2 µs
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
test_to_numpy_series_zero_copy
py-polars/tests/benchmark/interop/test_numpy.py
CodSpeed Performance Gauge
0%
123.7 µs
123.8 µs
1
2
Commits
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Base
main
5476332
+1.16%
fix: Fix gather of Scalar null + idx w/ validity
cc015ff
1 year ago
by ritchie46
© 2026 CodSpeed Technology
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